100056785 has 8 divisors (see below), whose sum is σ = 125288640. Its totient is φ = 76565104.

The previous prime is 100056773. The next prime is 100056811. The reversal of 100056785 is 587650001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100056785 - 2⁸ = 100056529 is a prime.

It is a super-2 number, since 2×100056785² = 20022720449072450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434915 + ... + 435144.

It is an arithmetic number, because the mean of its divisors is an integer number (15661080).

Almost surely, 2^100056785 is an apocalyptic number.

It is an amenable number.

100056785 is a deficient number, since it is larger than the sum of its proper divisors (25231855).

100056785 is an equidigital number, since it uses as much as digits as its factorization.

100056785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870087.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 100056785 is about 10002.8388470474. The cubic root of 100056785 is about 464.2467242772.

The spelling of 100056785 in words is "one hundred million, fifty-six thousand, seven hundred eighty-five".